Home / 1,847.14-2,549.10-1,007.86

Finding the Fourth Proportional to 1,847.14, 2,549.10 and 1,007.86

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Solution

The fourth proportional to 1,847.14, 2,549.10 and 1,007.86 is: 1,390.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.14 : 2,549.10 = 1,007.86 : x
  2. Step 2: Convert to fraction form
    1,847.14/2,549.10 = 1,007.86/x
  3. Step 3: Cross multiply
    1,847.14x = 2,549.10 × 1,007.86
  4. Step 4: Simplify right side
    1,847.14x = 2,569,126.67
  5. Step 5: Solve for x
    x = 2,569,126.67/1,847.14
  6. Step 6: Final answer
    x = 1,390.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.